Mistral Medium 3.5vsKimi Linear
Mistral Medium 3.5 | Kimi Linear | |
|---|---|---|
| Specifications | ||
Parameters | 128B | 48B |
Context window | 256k | — |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 77.6% | — |
Community preference (code) Arena Elo (Code)Like the text arena, but people vote on which AI writes better code. The votes become a chess-style Elo rating on arena.ai. Higher is better. | 1267 | — |
| Overview | ||
| Company | Mistral | Moonshot AI |
| Release date | Apr 29 2026 | Oct 30 2025 |
| Access | Open Weight | Open Weight |
Which is better: Mistral Medium 3.5 or Kimi Linear?
Mistral Medium 3.5 and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Linear shipped 181 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.
Mistral Medium 3.5 has 128B parameters, while Kimi Linear has 48B.
Direct benchmark comparisons are unavailable — Mistral Medium 3.5 and Kimi Linear don't publish scores on any of the same benchmarks.
Frequently asked questions
Mistral Medium 3.5 was released by Mistral on Apr 29 2026.
Kimi Linear was released by Moonshot AI on Oct 30 2025.
Other comparisons
Mistral Medium 3.5vsClaude Opus 5Kimi LinearvsClaude Opus 5Mistral Medium 3.5vsGPT-5.6 SolKimi LinearvsGPT-5.6 SolMistral Medium 3.5vsGemini 3.6 FlashKimi LinearvsGemini 3.6 FlashMistral Medium 3.5vsMuse Spark 1.1Kimi LinearvsMuse Spark 1.1Mistral Medium 3.5vsGrok 4.5Kimi LinearvsGrok 4.5Mistral Medium 3.5vsDeepSeek-V4-Flash-0731Kimi LinearvsDeepSeek-V4-Flash-0731